Iphone 4s pass-code question

When I try and send the file Evasi0n-V:1 to my iphone via Windows 10 PC, Evasi0n v:1 keeps telling me that my phone has a pass-code. I took my pas code off for this reason, and have no other pass codes on my phone. What do I do? I have a I phone 4s with Firmware 6.0.0